25053520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7339

約数の個数: 40

約数和(自身を含む): 59612256

約数和(自身を除く): 34558736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7283, 14566, 29132, 36415, 58264, 72830, 116528, 145660, 291320, 313169, 582640, 626338, 1252676, 1565845, 2505352, 3131690, 5010704, 6263380, 12526760, 25053520]

約数ペア:

[(1, 25053520), (2, 12526760), (4, 6263380), (5, 5010704), (8, 3131690), (10, 2505352), (16, 1565845), (20, 1252676), (40, 626338), (43, 582640), (80, 313169), (86, 291320), (172, 145660), (215, 116528), (344, 72830), (430, 58264), (688, 36415), (860, 29132), (1720, 14566), (3440, 7283)]